What Is a Primary Key

question 28

Multiple Choice

What is a primary key?

• A) A field (or group of fields) that uniquely identifies a given record in a table
• B) A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship among the two tables
• C) Characteristics or properties of an entity
• D) A field (or group of fields) that uniquely identifies a given attribute in a table

---

Definitions:

Ending Accounts Receivable

The amount owed to a company by its customers for goods or services delivered but not yet paid for at the end of an accounting period.

Net Sales

Net sales represent the total revenue from sales transactions after deducting returns, allowances for damaged or missing goods, and discounts.

Internal Document

A type of document used within an organization for communication, record-keeping, or operational purposes, not intended for external distribution.

Voucher

A document that serves as evidence of a transaction and authorizes the payment or receipt of money.